java的jre包瘦身工具，想想吧，每次我们只有几百k的源码，却拖着一个笨重的jre，那是怎样一种蛋蛋滴忧桑-java-jre package slimming tool, think about it, every time we only have a few hundred k of the source, but dragging a heavy jre, that is what a worry Sang Egg drop